1. The mystery has not been completely solved: there are still some unsolved mysteries at the end of the novel, such as the riddle of the red spot, the true identity of Xiao Ye, etc., which may be the suspense left by the author on purpose, allowing readers to imagine and speculate on their own.
2. The role relationship has not been determined: At the end of the novel, the contradiction and estrangement between the protagonist Jerry Lee and the second uncle still exist, and their relationship has not been completely solved. In addition, the emotional line between Jerry Lee and Qin Song is not clear, which may be the suspense left by the author.
3. The ending is open: the ending of the novel does not give a very definite ending, but leaves some open plots and clues for readers to imagine and supplement. This open ending also gives readers more opportunities for imagination and exploration.
In short, the complexity and openness at the end of the novel may be to increase the appeal and readability of the story and give readers more room for thinking and exploration.